Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

40°F

4°C

Humidity 51%
Wind Speed NW 12 mph
Barometer 29.62 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Feb 7:55 am CST
Extended Forecast for

Gann Valley SD

  • Today

    Today: Mostly cloudy, with a high near 46. Breezy, with a light west northwest wind becoming northwest 17 to 22 mph in the morning.

    High: 46 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. North northwest wind 5 to 10 mph becoming east after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 34. East southeast wind 5 to 13 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. East wind 6 to 8 mph becoming west after midnight.

    Low: 20 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 52 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West southwest wind 8 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 57 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of snow after midnight.  Mostly cloudy, with a low around 16. Northeast wind 13 to 17 mph.  Chance of precipitation is 30%.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow before noon.  Mostly cloudy, with a high near 28. North northeast wind 13 to 15 mph.  Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 46. Breezy, with a light west northwest wind becoming northwest 17 to 22 mph in the morning.
Tonight
Mostly cloudy, with a low around 18. North northwest wind 5 to 10 mph becoming east after midnight.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 34. East southeast wind 5 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. East wind 6 to 8 mph becoming west after midnight.
Thursday
Sunny, with a high near 52. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 30. West southwest wind 8 to 10 mph.
Friday
Sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 16. Northeast wind 13 to 17 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before noon. Mostly cloudy, with a high near 28. North northeast wind 13 to 15 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 8. Chance of precipitation is 20%.
Sunday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
7:37 am CST Feb 24, 2026
8am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database